** Changed in: nova
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/985489
Title:
nova-compute stops processing compute.$HOSTNAME occasionally on
libvirt
Status in OpenStack Compute (Nova):
Invalid
Status in nova package in Ubuntu:
Confirmed
Bug description:
root@novamanager:~# /usr/sbin/rabbitmqctl list_queues | awk '$1 ~
/^compute/ && $2 != 0 { print }'
compute.nodexyzzy 12
Occasionally on canonistack, we find that a compute node simply stops
processing its rabbit queues. A check of the logs will show no nova-
compute.log activity for hours, but a restart of nova-compute will
cause it to check all the instances and then process all the requests
in rabbit (usually lots of duplicates from frustrated users trying to
re-send delete requests and get their quota back for another
deployment).
In fact, while I was typing this (having restarted nova-compute on
nodexyzzy before starting), I re-ran the above command to find it now
silent.
This happens often enough (once every couple of days at least) but
we're not sure of how to debug this. Is there any information we can
get you about a nova-compute process that is in this unhappy state?
For the record, here is the last entry in the example node's nova-
compute.log when I bounced things around 09:00Z:
2012-04-19 06:35:35 DEBUG nova.virt.libvirt.connection [-]
Updating host stats from (pid=3428) update_status /usr/lib/python2.7
/dist-packages/nova/virt/libvirt/connection.py:2467
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